Managing the cloud using the command line

Managing the cloud using the command line

This section describes some of the more common commands to view and manage the cloud.

Log in to any utility container to run the following commands:

List images

The openstack image list command shows details about currently available images:

$ openstack image list
+------------------+--------------+--------+
|         ID       |    Name      | Status |
+------------------+--------------+--------+
| [ID truncated]   | ExaeImage | active |
+------------------+--------------+--------+

List compute services

The openstack compute service list command details the currently running compute services:

$ openstack compute service list
+------------------+------------+----------+---------+-------+----------------------------+
| Binary           | Host       | Zone     | Status  | State | Updated_at                 |
+------------------+------------+----------+---------+-------+----------------------------+
| nova-consoleauth | controller | internal | enabled | up    | 2017-02-21T20:25:17.000000 |
| nova-scheduler   | controller | internal | enabled | up    | 2017-02-21T20:25:18.000000 |
| nova-conductor   | controller | internal | enabled | up    | 2017-02-21T20:25:20.000000 |
| nova-compute     | compute    | nova     | enabled | up    | 2017-02-21T20:25:20.000000 |
+------------------+------------+----------+---------+-------+----------------------------+

List flavors

The openstack flavor list command lists the flavors that are available. These are different disk sizes that can be assigned to images:

$ openstack flavor list
+-----+-----------+-------+------+-----------+-------+-----------+
| ID  | Name      |   RAM | Disk | Ephemeral | VCPUs | Is Public |
+-----+-----------+-------+------+-----------+-------+-----------+
| 1   | m1.tiny   |   512 |    1 |         0 |     1 | True      |
| 2   | m1.small  |  2048 |   20 |         0 |     1 | True      |
| 3   | m1.medium |  4096 |   40 |         0 |     2 | True      |
| 4   | m1.large  |  8192 |   80 |         0 |     4 | True      |
| 5   | m1.xlarge | 16384 |  160 |         0 |     8 | True      |
+-----+-----------+-------+------+-----------+-------+-----------+

List floating IP addresses

he openstack floating ip list command lists the currently available floating IP addresses and the instances they are associated with:

$ openstack floating ip list
+------------------+------------------+---------------------+------------ +
| id               | fixed_ip_address | floating_ip_address | port_id     |
+------------------+------------------+---------------------+-------------+
| 0a88589a-ffac... |                  | 208.113.177.100     |             |
+------------------+------------------+---------------------+-------------+

For more information about OpenStack client utilities, see these links:

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